﻿@model  PagingDataSet<ContentItem>
@{
    Layout = "_Search";
    Html.IncludeCss("~/Applications/Cms/Styles/app.css", ResourceRenderPriority.Last);
    ViewData["searcherCode"] = CmsSearcher.CODE;

    string keyword = Request.QueryString.GetString("keyword", string.Empty);
    var currentUser = UserContext.CurrentUser;
    var contentFolderId = Request.QueryString.Get<int>("contentFolderId", 0);
}
@section SearchForm{
    @using (Html.BeginForm("Search", "ChannelCms", FormMethod.Get, new { id = "searchForm" }))
    {
        @Html.TextBox("keyword", keyword, new { maxlength = "32", @class = "tn-textbox" })
        @Html.Hidden("range", Request.QueryString.Get<int>("range", 0))
        @Html.Hidden("contentFolderId", contentFolderId)
        <a id="button-search" href="#" class="tn-button tn-button-text-only tn-button-large tn-button-primary"><span class="tn-button-text">搜索</span></a>
    }
}
@section Aside{
    <div class="tn-box tn-widget tn-widget-content tn-corner-all">
        <div class="tn-box-header tn-widget-header tn-corner-top tn-border-bottom">
            <h3 class="tn-helper-reset">热门标签</h3>
        </div>
        @Html.Action("_TagCloud", "Channel", new { tenantTypeId = TenantTypeIds.Instance().ContentItem(), Area = "Common" })
    </div>
    @Html.AjaxAction("_SearchHistories", "Channel", new { searcherCode = CmsSearcher.CODE, Area = "Common" })
}

<div class="tn-box tn-widget tn-widget-content tn-corner-all tnc-search-results">
    <div class="tn-box-content tn-widget-content tn-corner-all">
        <div class="spb-blog-search">
            <div class="tn-list-header tn-bg-gray tn-border-gray tn-border-bottom">
                <div class="tn-list-header-row tn-helper-clearfix tn-bg-gray">
                    <span class="tn-count">共有 <strong>@Model.TotalRecords</strong>个搜索结果（用时 @Model.QueryDuration 秒）</span>
                </div>
                <div class="tn-list-header-row">
                    <span id="search-range" class="tn-keywords">
                        <em>筛选：</em>
                        <a data-search-range="0" href="#">全部</a>
                        <a data-search-range="1" href="#">标题</a>
                        <a data-search-range="2" href="#">全文</a>
                        <a data-search-range="3" href="#">作者</a>
                        <a data-search-range="4" href="#">标签</a>
                    </span>
                    <span>&nbsp;&nbsp;&nbsp;栏目</span>
                    @Html.FolderDropDownList("contentFolderId", contentFolderId)
                </div>
            </div>
            @if (Model.TotalRecords > 0)
            {
                <div class=" spb-blog-list-wrap">
                    <ul class="tn-list">
                        @foreach (ContentItem contentItem in Model)
                        {
                            @Html.Partial("_ContentItemSearch", contentItem)
                        }
                    </ul>
                </div>
                <div class="tn-pagination">
                    @Html.PagingButton(Model, PaginationMode.NumericNextPrevious, 5)
                </div>
            }
            else if (string.IsNullOrEmpty(keyword))
            {
                <div class="tn-cue-tips tn-corner-all tn-message-box tn-border-gray tn-bg-gray">
                    <a class="tn-icon tn-smallicon-cross tn-helper-right" href="#"></a><span class="tn-helper-left">
                        <span class="tn-icon tn-icon-exclamation"></span></span>
                    <div class="tn-helper-flowfix">
                        <strong>提示：</strong>请输入搜索条件
                    </div>
                </div>
            }
            else
            { 
                <div class="tnc-search-noresults">
                    <p class="tn-title">
                        很抱歉，没有找到符合您搜索条件的结果！
                    </p>
                    <dl class="tn-support">
                        <dt><strong>建议：</strong></dt>
                        <dd>请确保搜索文字拼写正确</dd>
                        <dd>请尝试使用其他关键词或使用近义词</dd>
                        <dd>请尝试使用含义更为宽泛的关键词</dd>
                    </dl>
                </div>
            }
        </div>
    </div>
</div>
<script id="template-auto-complete" type="text/x-jquery-tmpl">
    <li><a>{{html tagNameWithHighlight}}</a></li>
</script>
<script type="text/javascript">
    $(function(){ 
        var CmsSearcher = function () {
            this.init();
        };
        CmsSearcher.fn = CmsSearcher.prototype = {
            init: function () {
                var self = this;
                var cache = {};

                this.resetForm = false;  //是否清除搜索过滤条件

                this.searchForm = $('#searchForm');
                this.keyword = $('#keyword', this.searchForm);
                this.range = $('#range', this.searchForm);
                this.contentFolderId = $('#contentFolderId', this.searchForm);
                this.ifMustKeyword=true;

                //关键字输入框水印
                this.keyword.watermark("请输入关键字");

                //注册表单提交事件
                this.searchForm.submit(function (e) {
                    if ($.trim(self.keyword.val()) == ""&&self.ifMustKeyword==true) {
                        e.preventDefault();
                        alert("请输入关键字！");
                        this.keyword.focus();
                    }

                    if(self.resetForm){
                        self.clearForm();
                    }
                });
               
                //注册自动完成响应事件
                this.keyword.bind("input.autocomplete", function(){
                    $(this).trigger('keydown.autocomplete');
                });
                this.keyword.autocomplete({
                    minLength: 1,
                    source: function (request, response) {
                        //缓存搜索结果
                        var term = request.term.toLowerCase(),
                            element = this.element,
                            cache  = this.element.data('autocompleteCache') || {},
                            foundInCache = false;

                        $.each(cache, function(key, data){
                            if (term === key && data.length > 0) {
                                response(data);
                                foundInCache = true;
                                return;
                            }
                        });

                        if (foundInCache) return;
                        var keyword = encodeURIComponent(self.keyword.val());
                        $.getJSON('@SiteUrls.Instance().CmsSearchAutoComplete()?keyword='+keyword+'&topNumber=10', function (data) {
                            cache[term] = data;
                            element.data('autocompleteCache', cache);

                            response(data);
                        });
                    },
                    search: function (event, ui) {
                    },
                    open: function (event, ui) {
                    },
                    focus: function (event, ui) {
                        self.keyword.val(ui.item.tagName);
                        return false;
                    },
                    select: function (event, ui) {
                        self.keyword.val(ui.item.tagName);
                        self.searchForm.submit();
                    }
                }).data("autocomplete")._renderItem = function (ul, item) {
                    return $('#template-auto-complete').tmpl(item).data("item.autocomplete", item).appendTo(ul);
                };

                //注册搜索按钮点击事件
                $('#button-search').click(function (e) {
                    e.preventDefault();
                    self.searchForm.submit();
                });

                //注册清除搜索历史事件
                $('#clear-histories').click(function (e) {
                    e.preventDefault();
                    self.getSearchHistories(true);
                });

                //搜标签
                $("p.tn-tags a").click(function(e){
                    e.preventDefault();
                    self.keyword.val($(this).text());
                    self.range.val("4");
                    self.searchForm.submit();
                });

                //注册点击搜索筛选事件
                $("#search-range a").click(function(e){
                    e.preventDefault();
                    //设置相应隐藏域的值
                    self.range.val($(this).data('searchRange'));
                    self.resetForm = false;
                    self.ifMustKeyword=true;
                    self.searchForm.submit();
                })

                //注册选择站点分类事件
                $("select[id^='contentFolderId']").change(function () {//设置相应隐藏域的值
                    self.contentFolderId.val($(this).val());
                    self.resetForm = false;
                    self.ifMustKeyword=false;
                    self.searchForm.submit();
                });

                //初始化搜索表单中的过滤条件状态
                self.initSearchForm(); 
            },


            /*
            * 初始化搜索表单中的过滤条件状态
            */
            initSearchForm: function () {
                //设置筛选
                var range=@(Request.QueryString.Get<int>("range", 0));
                $('#search-range a[data-search-range="'+range+'"]').addClass('tn-selected');
            }
        };

        CmsSearcher = new CmsSearcher();
    });
</script>
